Lycoming LTS101

The LTS101 is a family of turboshaft engines rated from 650 to 850 shaft horsepower, used in a number of popular helicopters and, as the LTP101 turboprop, in light aircraft; both models carry the United States military designation T702. It was designed at the Lycoming Turbine Engine Division in Stratford, Connecticut, and is now produced by Honeywell Aerospace. The LTS101-650C-3 version has a one-stage axial and one-stage centrifugal compressor, an annular combustor, a single-stage high-pressure turbine and a single-stage low-pressure turbine, with a rating of 675 shaft horsepower, an overall pressure ratio of 8.4 to 1 and a dry weight of 241 pounds. Applications include the Eurocopter AS350 AStar, the Bell 222 and the MBB/Kawasaki BK 117, and the Honeywell HTS900 is its growth version.